The influenza virus changes continually by means of two mechanisms, called antigenic drift and antigenic shift. [50] The antigenic shift is responsible for the major antigenic changes registered ...

or antigenic shift (which for flu is usually the acquisition of a whole new segment of RNA). Any scientist or physician interested in the influenza virus itself, and all its fascinating ...

In 1958, a new strain of influenza A with different HA and NA was identified and antigenic shift was discovered; the need for a trivalent vaccine was recognized. Technical advances have made it ...

The transporters associated with antigen processing (TAPs) allow antigenic peptides that have ... this proportion increases to 100% during an acute influenza infection. Continuous protein ...

To comprehend how this is possible, it is necessary to understand how influenza viruses are passed ... to form a new strain that is called antigenic shift. Such a significant mutation occurs ...